feat: add rst comment using blurb

rajat315315 · rajat315315 · commit adf960590ce0 · 2026-07-11T17:16:59.000+05:30
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-07-11-17-15-55.gh-issue-153198.dmBbIm.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-07-11-17-15-55.gh-issue-153198.dmBbIm.rst
@@ -0,0 +1,2 @@
+Optimize unicode_eq string equality comparisons for short strings by using
+inline integer casts and SSE2 vector instructions.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+Optimize unicode_eq string equality comparisons for short strings by using`
	`2`	`+inline integer casts and SSE2 vector instructions.`